106255989 has 16 divisors (see below), whose sum is σ = 179904640. Its totient is φ = 60717600.

The previous prime is 106255987. The next prime is 106255997. The reversal of 106255989 is 989552601.

106255989 is a `hidden beast` number, since 10 + 6 + 2 + 559 + 89 = 666.

It is not a de Polignac number, because 106255989 - 2¹ = 106255987 is a prime.

It is a super-2 number, since 2×106255989² = 22580670396736242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106255987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280912 + ... + 281289.

It is an arithmetic number, because the mean of its divisors is an integer number (11244040).

Almost surely, 2^106255989 is an apocalyptic number.

It is an amenable number.

106255989 is a deficient number, since it is larger than the sum of its proper divisors (73648651).

106255989 is an equidigital number, since it uses as much as digits as its factorization.

106255989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562217 (or 562211 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 106255989 is about 10308.0545691221. The cubic root of 106255989 is about 473.6430175465.

The spelling of 106255989 in words is "one hundred six million, two hundred fifty-five thousand, nine hundred eighty-nine".